package com.hmdp.utils;
import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.util.StrUtil;
import com.hmdp.dto.UserDTO;
import org.apache.tomcat.util.buf.UEncoder;
import org.springframework.boot.autoconfigure.security.SecurityProperties;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@Component
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //1.判断是否需要拦截(ThreadLocal中是否存在用户)
        if(UserHolder.getUser()==null){
            //没有，需要拦截 设置状态码为401
            response.setStatus(401);
            //拦截请求
            return false;
        }
        //有用户，放行
        return true;
    }

}
